Rewiring Antitumor Immunity: Targeting CLDN18.2 with Conditional 4-1BB Activation.

Pretelli, Giulia; Garralda, Elena · Clin Cancer Res · 2025

review · Level V

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Abstract

Claudin 18.2 has emerged as a validated target in solid tumors, spurring next-generation therapies. Bispecific antibodies linking Claudin 18.2 to conditional 4-1BB activation offer a novel approach to enhance T-cell function. By confining costimulation to the tumor microenvironment, they aim to boost efficacy while limiting systemic toxicity. See related article by Ku et al., p. 4944.

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